Donner 39 Inch Premium Electric Guitar Gig Bag Backpack Soft Case Cover Water-Resistant Nonwovens Interior Thicken Sponge Pad Two Pockets Black

over-voltage protection

Function 3: Wireless headphone Bluetooth bass

Please use the DC 9V power adapter whose polarity is positive pole outside and negative pole inside

Freely switch the modes with handlebar mounted controller

i9s Bluetooth Headset Wireless Headphones Auto pair Stereo TWS Earphones with Charging box For iPhone 7 8 X Xs Xr Xiaomi Huawei Battery Donner 39 Inch Premium ElectricPlug Type: Wireless Function: For Mobile Phone,For Internet Bar,for Video Game,Monitor Headphone,HiFi Headphone,For iPod,Sport,Common Headphone Wireless Type: Bluetooth Connectors: None Style: Neckband Communication: Wireless Support Memory Card: No Resistance: 30 Is wireless: Yes Support APP: No Model Number: Bluetooth headphone i9s earbuds Brand Name: MR. YIKUU Line Length: None With Microphone: Yes Frequency Response Range: 20 20000Hz Active Noise